java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -s ../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/linear_search.i_5.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-00a8621 [2018-09-30 10:26:45,130 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-30 10:26:45,132 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-30 10:26:45,148 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2018-09-30 10:26:45,181 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Automizer_Default.epf [2018-09-30 10:26:45,205 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-30 10:26:45,205 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-30 10:26:45,206 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-30 10:26:45,206 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-30 10:26:45,210 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-30 10:26:45,210 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-30 10:26:45,211 INFO L133 SettingsManager]: * Use SBE=true [2018-09-30 10:26:45,211 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-30 10:26:45,211 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-30 10:26:45,211 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-30 10:26:45,212 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-30 10:26:45,213 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-30 10:26:45,213 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-30 10:26:45,213 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-30 10:26:45,213 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-30 10:26:45,213 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-30 10:26:45,214 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-30 10:26:45,214 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-30 10:26:45,214 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-30 10:26:45,214 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-30 10:26:45,216 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-30 10:26:45,216 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-30 10:26:45,216 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-30 10:26:45,216 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-30 10:26:45,216 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-30 10:26:45,217 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-30 10:26:45,217 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-30 10:26:45,217 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-30 10:26:45,217 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-30 10:26:45,217 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-30 10:26:45,267 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-30 10:26:45,280 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-30 10:26:45,284 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-30 10:26:45,285 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-30 10:26:45,286 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-30 10:26:45,287 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/linear_search.i_5.bpl [2018-09-30 10:26:45,287 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/linear_search.i_5.bpl' [2018-09-30 10:26:45,351 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-30 10:26:45,354 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-30 10:26:45,354 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-30 10:26:45,355 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-30 10:26:45,355 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-30 10:26:45,375 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "linear_search.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 10:26:45" (1/1) ... [2018-09-30 10:26:45,392 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "linear_search.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 10:26:45" (1/1) ... [2018-09-30 10:26:45,401 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-30 10:26:45,401 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-30 10:26:45,402 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-30 10:26:45,402 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-30 10:26:45,413 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "linear_search.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 10:26:45" (1/1) ... [2018-09-30 10:26:45,414 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "linear_search.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 10:26:45" (1/1) ... [2018-09-30 10:26:45,415 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "linear_search.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 10:26:45" (1/1) ... [2018-09-30 10:26:45,416 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "linear_search.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 10:26:45" (1/1) ... [2018-09-30 10:26:45,431 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "linear_search.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 10:26:45" (1/1) ... [2018-09-30 10:26:45,433 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "linear_search.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 10:26:45" (1/1) ... [2018-09-30 10:26:45,435 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "linear_search.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 10:26:45" (1/1) ... [2018-09-30 10:26:45,439 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-30 10:26:45,440 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-30 10:26:45,440 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-30 10:26:45,441 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-30 10:26:45,442 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "linear_search.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 10:26:45" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-30 10:26:45,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-30 10:26:45,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-30 10:26:45,771 INFO L348 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-30 10:26:45,772 INFO L202 PluginConnector]: Adding new model linear_search.i_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 10:26:45 BoogieIcfgContainer [2018-09-30 10:26:45,773 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-30 10:26:45,774 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-30 10:26:45,774 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-30 10:26:45,777 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-30 10:26:45,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "linear_search.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 10:26:45" (1/2) ... [2018-09-30 10:26:45,779 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3db64f86 and model type linear_search.i_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.09 10:26:45, skipping insertion in model container [2018-09-30 10:26:45,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "linear_search.i_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 10:26:45" (2/2) ... [2018-09-30 10:26:45,781 INFO L112 eAbstractionObserver]: Analyzing ICFG linear_search.i_5.bpl [2018-09-30 10:26:45,792 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-30 10:26:45,801 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-30 10:26:45,854 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-30 10:26:45,855 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-30 10:26:45,855 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-30 10:26:45,856 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-30 10:26:45,856 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-30 10:26:45,856 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-30 10:26:45,856 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-30 10:26:45,856 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-30 10:26:45,857 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-30 10:26:45,872 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2018-09-30 10:26:45,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 10:26:45,879 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 10:26:45,880 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-09-30 10:26:45,881 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 10:26:45,887 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 10:26:45,888 INFO L82 PathProgramCache]: Analyzing trace with hash 925639, now seen corresponding path program 1 times [2018-09-30 10:26:45,890 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 10:26:45,891 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 10:26:45,946 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:26:45,946 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 10:26:45,946 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:26:46,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:26:46,457 WARN L178 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 18 [2018-09-30 10:26:46,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 10:26:46,540 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 10:26:46,540 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-30 10:26:46,545 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-30 10:26:46,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-30 10:26:46,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-30 10:26:46,562 INFO L87 Difference]: Start difference. First operand 7 states. Second operand 4 states. [2018-09-30 10:26:46,809 WARN L178 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 23 [2018-09-30 10:26:46,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 10:26:46,862 INFO L93 Difference]: Finished difference Result 11 states and 12 transitions. [2018-09-30 10:26:46,862 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 10:26:46,864 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2018-09-30 10:26:46,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 10:26:46,875 INFO L225 Difference]: With dead ends: 11 [2018-09-30 10:26:46,875 INFO L226 Difference]: Without dead ends: 7 [2018-09-30 10:26:46,879 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-09-30 10:26:46,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-09-30 10:26:46,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-09-30 10:26:46,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-09-30 10:26:46,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-09-30 10:26:46,916 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-09-30 10:26:46,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 10:26:46,917 INFO L480 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-09-30 10:26:46,917 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-30 10:26:46,917 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-09-30 10:26:46,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-30 10:26:46,918 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 10:26:46,918 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-09-30 10:26:46,918 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 10:26:46,919 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 10:26:46,919 INFO L82 PathProgramCache]: Analyzing trace with hash 889591169, now seen corresponding path program 1 times [2018-09-30 10:26:46,919 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 10:26:46,919 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 10:26:46,920 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:26:46,920 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 10:26:46,920 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:26:46,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:26:47,529 WARN L178 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 18 [2018-09-30 10:26:47,761 WARN L178 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 18 [2018-09-30 10:26:47,835 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 10:26:47,836 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-30 10:26:47,836 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-30 10:26:47,845 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 10:26:47,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:26:47,898 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 10:26:47,967 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 41 [2018-09-30 10:26:47,985 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 15 [2018-09-30 10:26:47,986 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-30 10:26:48,057 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-30 10:26:48,067 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 42 [2018-09-30 10:26:48,077 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 15 [2018-09-30 10:26:48,077 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-09-30 10:26:48,125 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-30 10:26:48,133 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 45 [2018-09-30 10:26:48,153 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 15 [2018-09-30 10:26:48,154 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-09-30 10:26:48,192 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-30 10:26:48,207 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 44 [2018-09-30 10:26:48,212 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 15 [2018-09-30 10:26:48,212 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-09-30 10:26:48,276 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-30 10:26:56,423 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-09-30 10:26:56,424 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 2 variables, input treesize:292, output treesize:74 [2018-09-30 10:26:56,547 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 43 [2018-09-30 10:26:56,566 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 23 [2018-09-30 10:26:56,567 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-30 10:26:56,746 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-30 10:26:56,983 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 45 [2018-09-30 10:26:57,012 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 23 [2018-09-30 10:26:57,013 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-09-30 10:26:57,031 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-30 10:26:57,131 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 43 [2018-09-30 10:26:57,138 INFO L700 Elim1Store]: detected not equals via solver [2018-09-30 10:26:57,140 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 18 [2018-09-30 10:26:57,141 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-09-30 10:26:57,152 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-30 10:26:57,278 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 43 [2018-09-30 10:26:57,291 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 1 [2018-09-30 10:26:57,291 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-09-30 10:26:57,305 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-30 10:26:57,424 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 4 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-09-30 10:26:57,424 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 8 variables, input treesize:193, output treesize:74 [2018-09-30 10:26:57,698 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 10:26:57,722 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-09-30 10:26:57,722 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2018-09-30 10:26:57,723 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-30 10:26:57,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-30 10:26:57,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-09-30 10:26:57,724 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand 10 states. [2018-09-30 10:26:57,846 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 40 [2018-09-30 10:26:58,011 WARN L178 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 49 [2018-09-30 10:26:58,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 10:26:58,052 INFO L93 Difference]: Finished difference Result 11 states and 11 transitions. [2018-09-30 10:26:58,053 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-09-30 10:26:58,053 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 6 [2018-09-30 10:26:58,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 10:26:58,054 INFO L225 Difference]: With dead ends: 11 [2018-09-30 10:26:58,054 INFO L226 Difference]: Without dead ends: 9 [2018-09-30 10:26:58,056 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2018-09-30 10:26:58,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2018-09-30 10:26:58,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-09-30 10:26:58,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2018-09-30 10:26:58,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-09-30 10:26:58,061 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 6 [2018-09-30 10:26:58,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 10:26:58,062 INFO L480 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2018-09-30 10:26:58,062 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-30 10:26:58,062 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2018-09-30 10:26:58,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 10:26:58,063 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 10:26:58,063 INFO L375 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1] [2018-09-30 10:26:58,063 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 10:26:58,064 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 10:26:58,064 INFO L82 PathProgramCache]: Analyzing trace with hash 198673595, now seen corresponding path program 2 times [2018-09-30 10:26:58,064 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 10:26:58,064 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 10:26:58,065 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:26:58,065 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 10:26:58,066 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:26:58,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:26:58,470 WARN L178 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 16 [2018-09-30 10:26:58,718 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 10:26:58,718 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-30 10:26:58,718 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-30 10:26:58,727 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-09-30 10:26:58,750 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2018-09-30 10:26:58,750 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-09-30 10:26:58,752 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 10:26:58,841 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-09-30 10:26:58,863 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-09-30 10:26:58,863 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 3] total 7 [2018-09-30 10:26:58,863 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-09-30 10:26:58,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-09-30 10:26:58,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-09-30 10:26:58,864 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand 8 states. [2018-09-30 10:26:59,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 10:26:59,305 INFO L93 Difference]: Finished difference Result 11 states and 12 transitions. [2018-09-30 10:26:59,305 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-09-30 10:26:59,306 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 8 [2018-09-30 10:26:59,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 10:26:59,306 INFO L225 Difference]: With dead ends: 11 [2018-09-30 10:26:59,307 INFO L226 Difference]: Without dead ends: 0 [2018-09-30 10:26:59,308 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2018-09-30 10:26:59,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-30 10:26:59,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-30 10:26:59,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-30 10:26:59,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-30 10:26:59,309 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 8 [2018-09-30 10:26:59,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 10:26:59,309 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-30 10:26:59,309 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-09-30 10:26:59,309 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-30 10:26:59,310 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-30 10:26:59,314 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-30 10:26:59,370 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:26:59,376 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:26:59,554 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 11 103) no Hoare annotation was computed. [2018-09-30 10:26:59,554 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(lines 11 103) no Hoare annotation was computed. [2018-09-30 10:26:59,554 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 11 103) no Hoare annotation was computed. [2018-09-30 10:26:59,555 INFO L422 ceAbstractionStarter]: At program point L91(lines 91 101) the Hoare annotation is: false [2018-09-30 10:26:59,555 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONASSERT(line 102) no Hoare annotation was computed. [2018-09-30 10:26:59,555 INFO L422 ceAbstractionStarter]: At program point L75(lines 75 92) the Hoare annotation is: (let ((.cse0 (mod ~SIZE 4294967296))) (and (or (and (= (+ ULTIMATE.start_linear_search_~n 4294967296) .cse0) (< 2147483647 .cse0)) (and (= .cse0 ULTIMATE.start_linear_search_~n) (<= .cse0 2147483647))) (< (mod ULTIMATE.start_linear_search_~j~5 4294967296) .cse0))) [2018-09-30 10:26:59,556 INFO L422 ceAbstractionStarter]: At program point L100(lines 65 100) the Hoare annotation is: (let ((.cse0 (mod ~SIZE 4294967296))) (or (and (= (+ ULTIMATE.start_linear_search_~n 4294967296) .cse0) (< 2147483647 .cse0)) (and (= .cse0 ULTIMATE.start_linear_search_~n) (<= .cse0 2147483647)))) [2018-09-30 10:26:59,566 INFO L202 PluginConnector]: Adding new model linear_search.i_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.09 10:26:59 BoogieIcfgContainer [2018-09-30 10:26:59,567 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-30 10:26:59,568 INFO L168 Benchmark]: Toolchain (without parser) took 14216.38 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 343.7 MB). Peak memory consumption was 343.7 MB. Max. memory is 7.1 GB. [2018-09-30 10:26:59,568 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-30 10:26:59,569 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.64 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-30 10:26:59,570 INFO L168 Benchmark]: Boogie Preprocessor took 38.31 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-30 10:26:59,570 INFO L168 Benchmark]: RCFGBuilder took 332.48 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-09-30 10:26:59,571 INFO L168 Benchmark]: TraceAbstraction took 13793.09 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 322.5 MB). Peak memory consumption was 322.5 MB. Max. memory is 7.1 GB. [2018-09-30 10:26:59,575 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 46.64 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 38.31 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 332.48 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 13793.09 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 322.5 MB). Peak memory consumption was 322.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 102]: assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: ((linear_search_~n + 4294967296 == ~SIZE % 4294967296 && 2147483647 < ~SIZE % 4294967296) || (~SIZE % 4294967296 == linear_search_~n && ~SIZE % 4294967296 <= 2147483647)) && linear_search_~j~5 % 4294967296 < ~SIZE % 4294967296 - InvariantResult [Line: 91]: Loop Invariant Derived loop invariant: false - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: (linear_search_~n + 4294967296 == ~SIZE % 4294967296 && 2147483647 < ~SIZE % 4294967296) || (~SIZE % 4294967296 == linear_search_~n && ~SIZE % 4294967296 <= 2147483647) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. SAFE Result, 13.7s OverallTime, 3 OverallIterations, 3 TraceHistogramMax, 1.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 7 SDtfs, 8 SDslu, 5 SDs, 0 SdLazy, 42 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 2.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 9 NumberOfFragments, 59 HoareAnnotationTreeSize, 3 FomulaSimplifications, 283 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 377 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 11.8s InterpolantComputationTime, 32 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 27 ConstructedInterpolants, 0 QuantifiedInterpolants, 4009 SizeOfPredicates, 26 NumberOfNonLiveVariables, 175 ConjunctsInSsa, 55 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 4/16 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/linear_search.i_5.bpl_svcomp-Reach-32bit-Automizer_Default.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-30_10-26-59-588.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/linear_search.i_5.bpl_svcomp-Reach-32bit-Automizer_Default.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-30_10-26-59-588.csv Received shutdown request...